Classification of Invertebrates Nina 23rd 2010

1.
snails- Mollusca
starfish- Echinodermata
sponge- porifera
jellyfish- Cnidaria
spider- Arthropoda

2. Cnidaria---------- Jellyfish
Molluscs-------- snails
Arthropod------- spider
worms----------- ring worm
Echinoderms--- starfish